Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11757103 | Gas diffusion electrode medium and method for producing the same, gas diffusion electrode, membrane electrode assembly, and polymer electrolyte fuel cell | Masamichi Utsunomiya, Satoru Shimoyama | 2023-09-12 |
| 11710831 | Gas diffusion electrode base material and production method therefor, and solid polymer fuel cell | Masamichi Utsunomiya | 2023-07-25 |
| 11621426 | Micro-porous layer and manufacturing method therefor, gas diffusion electrode substrate, and fuel battery | Masamichi Utsunomiya, Kentaro Kajiwara, Yasuaki Tanimura | 2023-04-04 |